IBAN validator / Denmark
Denmark IBAN format (DK)
A Denmark IBAN is 18 characters long and begins with the country code DKfollowed by two check digits. Validate one below — the check runs in your browser (ISO 13616 mod-97).
- Country code
- DK
- IBAN length
- 18
- Example
- DK5000400440116243
Runs entirely in your browser — nothing is sent to a server. A valid IBAN format does not mean the account exists or is active.
Validate Denmark IBANs via API
curl "https://www.checkfmt.com/api/v1/iban?iban=DK5000400440116243&key=YOUR_KEY"